{"product_id":"bomba-circuladora-dab-evosta-2-sol","title":"DAB EVOSTA 2 SOL circulator pump for solar thermal systems","description":"\u003ch2\u003eElectronic circulator pump for solar thermal systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB EVOSTA 2 SOL\u003c\/strong\u003e moves the fluid in the solar collector circuit with an electronic motor that adjusts its own power. It accepts \u003cstrong\u003eup to 50% glycol\u003c\/strong\u003e and peaks of \u003cstrong\u003e130 °C\u003c\/strong\u003e, and delivers \u003cstrong\u003e7.5 m head\u003c\/strong\u003e on 47 W. At Q-Tech we fit it in \u003cstrong\u003esolar stations and pre-assembled plant rooms\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWet-rotor electronic circulator pump for solar thermal\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB EVOSTA 2 SOL 20-75 (130 or 180 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003ePrimary circuit of solar thermal systems for heating and DHW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e7.5 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eUp to 4 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eClean water or water with up to 50% glycol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V, 50 or 60 Hz; 47 W maximum\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted in a pre-assembled plant room or replaced on site by an Expert Technician\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the DAB EVOSTA 2 SOL?\u003c\/h3\u003e\n\u003cp\u003eIt is the solar-circuit version of DAB's EVOSTA 2. Its permanent-magnet synchronous motor runs on a wet rotor with an inverter that matches the pump to the system and protects it from water hammer. Modes are selected with a single button.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eThe solar circuit runs a water-glycol mix and reaches very high temperatures when the collectors have no load. A standard heating circulator cannot always cope.\u003c\/p\u003e\n\u003cp\u003eThe EVOSTA 2 SOL \u003cstrong\u003eaccepts up to 50% glycol and 130 °C peaks\u003c\/strong\u003e and draws at most 47 W. DAB states an energy efficiency index of \u003cstrong\u003eEEI ≤ 0.20\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eLiquid temperature\u003c\/th\u003e\u003ctd\u003e−10 to +110 °C, with 130 °C peaks (up to 60 °C ambient)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum working pressure\u003c\/th\u003e\u003ctd\u003e10 bar (1,000 kPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMinimum inlet pressure\u003c\/th\u003e\u003ctd\u003e10 m water column at 90 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower input (P1)\u003c\/th\u003e\u003ctd\u003e47 W maximum; 0.07 to 0.4 A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEnergy efficiency index\u003c\/th\u003e\u003ctd\u003eEEI ≤ 0.20\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInsulation\u003c\/th\u003e\u003ctd\u003eClass F\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eElectrical connection\u003c\/th\u003e\u003ctd\u003eMolex connector with 1.5 m cable\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eCataphoresis-coated cast-iron body, stainless steel motor casing, technopolymer impeller\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOther\u003c\/th\u003e\u003ctd\u003eBleed screw with shaft access, cartridge that protects the shaft from limescale\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMounting\u003c\/th\u003e\u003ctd\u003eMotor shaft horizontal\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003ePump connection\u003c\/th\u003e\u003cth\u003ePort-to-port length\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003cth\u003eMax. power\u003c\/th\u003e\u003cth\u003eDAB code\u003c\/th\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e20-75\/130 ½\" (G 1\")\u003c\/th\u003e\u003ctd\u003eG 1\" (DN15)\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e7.5 m\u003c\/td\u003e\u003ctd\u003e47 W\u003c\/td\u003e\u003ctd\u003e60188450\u003c\/td\u003e\u003ctd\u003e1.91 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e20-75\/130 (G 1½\")\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e7.5 m\u003c\/td\u003e\u003ctd\u003e47 W\u003c\/td\u003e\u003ctd\u003e60188404\u003c\/td\u003e\u003ctd\u003e2.07 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e20-75\/180 (G 1½\")\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e7.5 m\u003c\/td\u003e\u003ctd\u003e47 W\u003c\/td\u003e\u003ctd\u003e60188405\u003c\/td\u003e\u003ctd\u003e2.24 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eUnions not included\u003c\/strong\u003e: order them separately to suit your pipework.\u003c\/li\u003e\n\u003cli\u003eClean liquid, free of solids and mineral oils; up to 50% glycol.\u003c\/li\u003e\n\u003cli\u003eMount only with the motor shaft horizontal.\u003c\/li\u003e\n\u003cli\u003eThis is not the PWM version: it runs by itself, without a signal from the solar controller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-evosta-2-circulator-pump\"\u003eDAB EVOSTA 2\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eHeating or underfloor heating circuit, with no solar collectors\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-evosta-2-san-hot-water-circulator-pump\"\u003eDAB EVOSTA 2 SAN\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eDomestic hot water return (bronze body)\u003c\/td\u003e\u003ctd\u003e1.1 to 8 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe one with the same port-to-port length (130 or 180 mm) and the same thread (1\" or 1½\") as your current pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it controlled by the solar controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis model runs by itself on its internal modes. DAB offers a PWM version that runs on the controller's signal; it is not the one in this listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse; if none were left, we would order it urgently and tell you the lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho should install it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQualified professionals must make the plumbing and electrical connections.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits and tests the pump in our workshop as part of a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e, which arrives \u003cstrong\u003etested and ready to connect\u003c\/strong\u003e. To replace the pump in your solar system, book an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e; if you are unsure which model fits, request a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. More equipment in \u003ca href=\"\/en-en\/collections\/dab-circulator-pumps\"\u003eDAB circulator pumps\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/dabpumps.es\/sites\/dabpumps.es\/files\/2026-11\/Evosta2%20Sol%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SOL catalogue, November 2026 (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dabpumps.com\/content\/dam\/dabpumps-dam\/products\/dab\/eng_master\/electronic_circulators1\/evosta_2_sol\/documentation\/r-d-documentation\/instruction-manual\/evosta_2sol_dab_instruction_manual_web_version_multi_60187640.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SOL instruction manual (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"DAB","offers":[{"title":"20-75\/130 ½\" (G 1\")","offer_id":59094332211544,"sku":"SE-AC41435","price":387.23,"currency_code":"EUR","in_stock":true},{"title":"20-75\/130 (G 1½\")","offer_id":59094332244312,"sku":"SE-AC41449","price":387.23,"currency_code":"EUR","in_stock":true},{"title":"20-75\/180 (G 1½\")","offer_id":59094332277080,"sku":"SE-AC41450","price":387.23,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-evosta-2-sol-bomba-circuladora-solar.webp?v=1794396164","url":"https:\/\/q-tech.es\/en-en\/products\/dab-evosta-2-sol-solar-circulator-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}